Current Transformers
ETCC India manufactures precision LT current transformers at our Pune facility, established in 1994. Primary current range 50A to 2000A with 5A secondary output, metering accuracy class 0.5 and protection class 1.0 per IEC 61869-2 / IS 2705. Window, wound, bar-type, and split-core configurations available.
Standard Current Transformers
Our standard CT range covers 50A to 2000A primary current with 5A secondary output.
| Model | Ratio | Burden (VA) | Accuracy Class | Primary Current | Application |
|---|---|---|---|---|---|
| CT-050 | 50/5A | 5 | 0.5 | 50A | Metering |
| CT-100 | 100/5A | 10 | 0.5 | 100A | Metering |
| CT-200 | 200/5A | 15 | 0.5 | 200A | Metering |
| CT-500 | 500/5A | 15 | 1.0 | 500A | Protection |
| CT-1000 | 1000/5A | 20 | 1.0 | 1000A | Protection |
| CT-2000 | 2000/5A | 30 | 1.0 | 2000A | Protection |
Custom Engineering
We design current transformers to meet your specific metering and protection requirements. From low-current sensing to high-voltage transmission applications.
- Custom turns ratios for any current range
- Metering and protection class accuracy
- Window, wound, and bar-type configurations
- Split-core designs for retrofit installations
- Multiple secondary outputs
- High-voltage insulation options
Applications
Our current transformers serve critical roles across power and industrial sectors, designed and tested to IEC 61869-2 and IS 2705 standards.
Energy Metering
Precision current measurement for energy billing, revenue metering, and power consumption monitoring in utilities.
Protective Relaying
Reliable fault detection for overcurrent, earth fault, and differential protection in substations and switchgear.
Power Quality
Current sensing for harmonic analysis, power factor monitoring, and power quality assessment in industrial plants.
Industrial Automation
Motor protection, variable frequency drive feedback, and process control current monitoring in factory automation.